CN217710693U - Remedy device for core filling error of prefabricated hollow uplift pile - Google Patents
Remedy device for core filling error of prefabricated hollow uplift pile Download PDFInfo
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- CN217710693U CN217710693U CN202221741117.1U CN202221741117U CN217710693U CN 217710693 U CN217710693 U CN 217710693U CN 202221741117 U CN202221741117 U CN 202221741117U CN 217710693 U CN217710693 U CN 217710693U
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Abstract
The utility model provides a remedy device of prefabricated hollow anti-floating pile core filling error, including the outer pipe of cast in situ concrete, the outer pipe parcel of cast in situ concrete is on the upper portion of the prefabricated hollow anti-floating pile of having under construction, the inside concrete core filling of having under construction of the prefabricated hollow anti-floating pile is with the interior reinforcing bar of having under construction the core filling remains, the below of the outer pipe of cast in situ concrete sets up plain concrete bed course of making level, the inside horizontal and vertical crisscross newly-increased stirrup and the newly-increased anti-floating reinforcing bar of the outer pipe of cast in situ concrete, the outer outside of the outer pipe of cast in situ concrete sets up the locking steel form of firm effect, the outer border of the outer pipe of cast in situ concrete backfills closely knit material in the excavation scope. The utility model discloses the intraductal new increase resistance to plucking reinforcing bar of cast in situ concrete outsourcing, backfill measures such as closely knit material at the border again and solved the not enough difficult problem of resistance to plucking ability behind the prefabricated hollow resistance to plucking pile core filling error, can guarantee the wholeness of prefabricated hollow resistance to plucking pile and the outer pipe of cast in situ concrete, can guarantee the convenience of construction again, convenient for material collection, construction speed is fast, and economic nature is good.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a prefabricated hollow uplift pile irritates wrong remedy device of core.
Background
The prefabricated hollow pile has the advantages of good pile body quality, strong adaptability to engineering geological conditions, high construction speed and the like, and is widely applied to civil buildings, municipal works, roads and bridges, ports and other projects in recent years. When the prefabricated hollow pile is used as a compression resistant pile and an uplift pile, the prefabricated hollow pile is connected with a foundation through arranging vertical steel bars and pouring concrete in the hole at a certain depth of the pile top. Generally, the vertical reinforcing bars of the compression-resistant pile are configured for construction, the vertical reinforcing bars of the compression-resistant pile need to be arranged according to the area required by the calculation of the pulling resistance, and meanwhile, the core filling length of the compression-resistant pile is determined through calculation, and the compression-resistant pile is required for construction.
In actual engineering, due to the requirements of building plane functions and using loads, a certain area of a building has a resistance to pulling problem, other areas are all in a pressure-resistant situation, if the expression of a design drawing is not clear or a construction method is not carefully read, a resistance to pulling pile is constructed according to the requirements of the resistance to pressure pile, and core filling errors of the type occur. At the moment, the length of the poured core and the number of the anti-pulling steel bars do not meet the requirements, which means that the pile cannot fully play the anti-pulling role, and the influence on engineering safety is great. Therefore, how to conveniently and effectively process the prefabricated hollow uplift pile with core filling error so as to make up the lost uplift bearing capacity to ensure the engineering safety is a difficult problem in the projects.
Disclosure of Invention
The utility model provides a solve above-mentioned problem, provide a prefabricated hollow anti-floating pile irritates device of remedying of core error, the device simple structure, convenient for material collection, economic nature is good, and construction speed is fast, and the practicality is strong, can swiftly effectively solve the problem that prefabricated hollow anti-floating pile irritated the core error.
The utility model discloses the technical scheme who takes:
the utility model provides a prefabricated hollow anti-floating pile irritates wrong remedy device of core, including the outer pipe of cast in situ concrete, the outer pipe parcel of cast in situ concrete is on the upper portion of the prefabricated hollow anti-floating pile of having under construction, the inside concrete of having under construction of the prefabricated hollow anti-floating pile irritates the core and has under construction the interior reinforcing bar of irritated core and remain, the below of the outer pipe of cast in situ concrete sets up plain concrete bed course of making level, the inside of the outer pipe of cast in situ concrete is equipped with horizontal and vertical crisscross newly-increased stirrup and newly-increased anti-floating reinforcing bar, the outer outside locking steel form that sets up firm effect of the outer pipe of cast in situ concrete, the outer border of the outer pipe of cast in situ concrete backfills in the excavation within range and stirs from closely knit cement thick liquid.
The outer circumference of the constructed prefabricated hollow uplift pile is arranged as a connecting interface, and an interface agent coating is arranged on the connecting interface.
The thickness of the plain concrete leveling cushion layer is 100mm.
The concrete strength grade of the cast-in-place concrete outer wrapping pipe is higher than that of the bearing platform and the foundation beam by one grade and is not lower than C40.
The thickness of the cast-in-place concrete outer wrapping pipe is 160mm.
The length of the newly added uplift steel bar extending into the foundation is not less than one anchoring length.
The diameter of the newly added stirrups is 10mm, and the distance between the newly added stirrups is 150mm.
The cast-in-place concrete outer wrapping pipe is micro-expansion fine aggregate concrete.
The utility model has the advantages that: the utility model discloses a take the altitude to set up the outer pipe of cast in situ concrete below the prefabricated hollow resistance to plucking stake pile bolck of core filling error, the intraductal new increase resistance to plucking reinforcing bar of cast in situ concrete outer bag, measure such as backfill closely knit material have solved prefabricated hollow resistance to plucking stake core filling error back resistance to plucking ability not enough difficult problem again in the border, can guarantee the wholeness of prefabricated hollow resistance to plucking stake and the outer pipe of cast in situ concrete, can guarantee the convenience of construction again, and convenient for material collection, construction speed is fast, and economic nature is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1-constructing a prefabricated hollow uplift pile; 2-pouring the core with the constructed concrete; 3-pouring the steel bars in the core after construction; 4-pouring concrete outside the tube; 5-newly adding anti-pulling steel bars; 6-newly adding stirrups; 7-locking the steel template; 8-a connection interface; 9-plain concrete leveling cushion layer; 10-premixing self-compacting cement soil slurry.
Detailed Description
The constructed prefabricated hollow uplift pile 1 is a pile which needs to be arranged for resisting water buoyancy of a building, the constructed concrete core 2 fails to be constructed, the pile is constructed according to the requirement of the anti-pressure pile, and the uplift capacity is insufficient.
A remedy device for core filling errors of a prefabricated hollow uplift pile comprises an outer cast-in-place concrete pipe 4 which is excavated to a certain height below the pile top of a constructed prefabricated hollow uplift pile 1, the height is determined by calculation, a constructed concrete core 2 and a constructed steel bar 3 in the constructed prefabricated hollow uplift pile 1 are reserved to provide partial uplift bearing capacity, the outer cast-in-place concrete pipe 4 is wrapped on the upper portion of the constructed prefabricated hollow uplift pile 1, a plain concrete leveling cushion layer 9 is constructed below the outer cast-in-place concrete pipe 4, the outer surface of the constructed prefabricated hollow uplift pile 1 is processed according to the requirements of a connecting interface 8, and an interface agent is smeared on the connecting interface 8, the construction method comprises the steps of binding a newly-added stirrup 6 and a newly-added uplift steel bar 5 which are transversely and longitudinally staggered outside a constructed prefabricated hollow uplift pile 1 and inside a cast-in-place concrete outer packing tube 4, effectively bonding the newly-added stirrup 6 and the newly-added uplift steel bar 5 with concrete to provide uplift bearing capacity, fixing a lockable steel template 7 outside the cast-in-place concrete outer packing tube 4, using the lockable steel template 7 as a template for constructing the cast-in-place concrete outer packing tube 4, preventing a mold from expanding, effectively increasing centripetal pressure of a connecting surface of newly-poured concrete and the constructed prefabricated hollow uplift pile 1, backfilling a premixed self-compacting cement slurry 10 in an excavation range of an outer periphery ring of the cast-in-place concrete outer packing tube 4 after the strength level of the concrete of the cast-in-place concrete outer packing tube 4 reaches design requirements, and then carrying out next-step foundation construction.
The outer circumference of the constructed prefabricated hollow uplift pile 1 is provided with a connecting interface 8, dirt on the surface of the connecting interface 8 needs to be cleaned carefully, and an interface agent coating is arranged to improve the integrity of the cast-in-place concrete outer wrapping pipe 4 and the pile body concrete of the constructed prefabricated hollow uplift pile 1.
The concrete strength grade of the cast-in-place concrete outer wrapping pipe 4 is higher than that of a bearing platform and a foundation beam by one grade and is not lower than C40, the thickness of the cast-in-place concrete outer wrapping pipe 4 is 160mm, the cast-in-place concrete outer wrapping pipe 4 is made of micro-expansion fine stone concrete, and the height of the cast-in-place concrete outer wrapping pipe 4 is determined by calculation.
The thickness of the plain concrete leveling cushion layer 9 is 100mm so as to ensure the verticality of the cast-in-place concrete outer cladding tube 4.
The length of the newly added uplift steel bars 5 extending into the foundation is not less than one anchoring length, and the specification of the newly added uplift steel bars 5 is determined by calculation.
The diameter of the newly added stirrups 6 is 10mm, and the distance between the newly added stirrups 6 is 150mm.
The premixed self-compacting cement soil slurry 10 is constructed after the concrete strength grade of the cast-in-place concrete outer wrapping pipe 4 reaches the design requirement, so that the backfilling quality is ensured, and meanwhile, the soil around the section of the pile can be ensured to effectively provide side friction resistance.
Examples
In the embodiment, the cast-in-place concrete outer wrapping pipe 4 is arranged at the height calculated below the pile top of the constructed prefabricated hollow uplift pile 1, and the constructed prefabricated hollow uplift pile 1 is tightly combined with the cast-in-place concrete outer wrapping pipe 4. More specifically, the height of the cast-in-place concrete outer wrapping pipe 4 is determined by calculation, the length of the newly added anti-pulling steel bar 5 extending into the foundation is not less than one time of the anchoring length, and the thickness of the plain concrete leveling cushion layer 9 arranged below the cast-in-place concrete outer wrapping pipe 4 is 100mm, so that the perpendicularity of the pile body is ensured.
The construction method of the joint comprises the following steps:
1) Excavating to a height standard position below the pile top section of the constructed prefabricated hollow uplift pile 1, and calculating the required height;
2) Constructing a plain concrete leveling cushion layer 9;
3) The outer surface of the constructed prefabricated hollow uplift pile 1 is processed according to the requirement of a connection interface 8, the connection interface 8 is carefully cleaned, soil and impurities are removed, and then an interface agent is coated;
4) Then binding the newly increased uplift steel bars 5 and the newly increased stirrups 6;
5) Then fixing the lockable steel moulding plate 7;
6) Then constructing a cast-in-place concrete outer wrapping pipe 4;
7) And backfilling the periphery of the cast-in-place concrete outer wrapping pipe 4 with premixed self-compacting cement soil slurry 10.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above detailed description of the embodiments of the present invention is only for the purpose of describing the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. The equivalent changes and improvements made according to the application scope of the present invention should be still included in the patent coverage of the present invention.
Claims (8)
1. The utility model provides a remedy device of prefabricated hollow uplift pile core filling error, a serial communication port, including cast in situ concrete outer tube (4), cast in situ concrete outer tube (4) parcel is on the upper portion of prefabricated hollow uplift pile (1) has been under construction, the inside concrete that has been under construction of prefabricated hollow uplift pile (1) is irritated core (2) and is irritated in-core reinforcing bar (3) to remain with having been under construction, the below of cast in situ concrete outer tube (4) sets up plain concrete and makes level bed course (9), the inside of cast in situ concrete outer tube (4) is equipped with horizontal and vertical crisscross newly-increased stirrup (6) and newly-increased uplift reinforcing bar (5), the outer tube (4) of cast in situ concrete sets up the lockable steel form (7) of firm effect outward, the outer periphery of cast in situ concrete outer tube (4) backfills in the excavation within range and stirs ready-mixed self-compaction cement thick liquid (10).
2. A device for remedying the core filling error of the prefabricated hollow uplift pile according to the claim 1, wherein the outer circumference of the constructed prefabricated hollow uplift pile (1) is provided with a connecting interface (8), and the connecting interface (8) is provided with an interfacial agent coating.
3. The device for remedying the core filling error of the prefabricated hollow uplift pile according to the claim 1, wherein the thickness of the plain concrete leveling cushion layer (9) is 100mm.
4. The device for remedying the core filling error of the prefabricated hollow uplift pile according to the claim 1, wherein the concrete strength grade of the cast-in-place concrete outer wrapping pipe (4) is higher than that of a bearing platform and a foundation beam by one grade and is not lower than C40.
5. A device for remedying the core casting error of the prefabricated hollow uplift pile according to claim 4, wherein the thickness of the cast-in-place concrete outer coating pipe (4) is 160mm.
6. A device for remedying the core-filling error of the prefabricated hollow uplift pile according to claim 1, wherein the newly added uplift steel bars (5) extend into the foundation by not less than one anchoring length.
7. A device for remedying the core filling error of the prefabricated hollow uplift pile according to the claim 1, wherein the diameter of the newly added stirrups (6) is 10mm, and the distance between the newly added stirrups is 150mm.
8. The device for remedying the core filling error of the prefabricated hollow uplift pile according to the claim 5, wherein the cast-in-place concrete outer wrapping pipe (4) adopts micro-expansion fine stone concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221741117.1U CN217710693U (en) | 2022-07-06 | 2022-07-06 | Remedy device for core filling error of prefabricated hollow uplift pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221741117.1U CN217710693U (en) | 2022-07-06 | 2022-07-06 | Remedy device for core filling error of prefabricated hollow uplift pile |
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| CN217710693U true CN217710693U (en) | 2022-11-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116289894A (en) * | 2023-03-23 | 2023-06-23 | 兰州有色冶金设计研究院有限公司 | Cast-in-situ reinforced concrete anti-pulling pile and construction method |
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2022
- 2022-07-06 CN CN202221741117.1U patent/CN217710693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116289894A (en) * | 2023-03-23 | 2023-06-23 | 兰州有色冶金设计研究院有限公司 | Cast-in-situ reinforced concrete anti-pulling pile and construction method |
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